Lighting System Light Control Switch Circuit
DESCRIPTION
WIRING DIAGRAM
INSPECTION PROCEDURE
INSPECT HEADLIGHT DIMMER SWITCH ASSEMBLY
CHECK HARNESS AND CONNECTOR (SWITCH - DAYTIME RUNNING LIGHT RELAY)
LIGHTING SYSTEM - Light Control Switch Circuit |
DESCRIPTION
- The daytime running light relay receives the following signals:
- Light control switch TAIL or HEAD signal
- Dimmer switch HIGH or HIGH FLASH (PASS) signal
WIRING DIAGRAM
INSPECTION PROCEDURE
| 1.INSPECT HEADLIGHT DIMMER SWITCH ASSEMBLY |
Inspect the headlight dimmer switch assembly (COROLLA_ZRE142 RM0000014E302MX.html).
- OK:
- Headlight dimmer switch assembly is normal.
| 2.CHECK HARNESS AND CONNECTOR (SWITCH - DAYTIME RUNNING LIGHT RELAY) |
Disconnect the E8 headlight dimmer switch assembly connector.
Disconnect the E91 daytime running light relay connectors.
Measure the resistance according to the value(s) in the table below.
- Standard Resistance:
Tester Connection
| Condition
| Specified Condition
|
E8-11 (HU) - E91-16 (HI)
| Always
| Below 1 Ω
|
E8-17 (HF) - E91-8 (HF)
| Always
| Below 1 Ω
|
E8-18 (T) - E91-15 (T)
| Always
| Below 1 Ω
|
E8-20 (H) - E91-5 (H)
| Always
| Below 1 Ω
|
E8-11 (HU) - Body ground
| Always
| 10 kΩ or higher
|
E8-17 (HF) - Body ground
| Always
| 10 kΩ or higher
|
E8-18 (T) - Body ground
| Always
| 10 kΩ or higher
|
E8-20 (H) - Body ground
| Always
| 10 kΩ or higher
|
E8-12 (EL) - Body ground
| Always
| Below 1 Ω
|
| | REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|
